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All results from a given calculation for C4H4N (pyrrolide radical)

using model chemistry: B2PLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-209.407997
Energy at 298.15K-209.412598
HF Energy-209.140191
Nuclear repulsion energy151.232271
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3269 3142 1.02      
2 A1 3231 3105 0.51      
3 A1 1559 1498 2.51      
4 A1 1440 1384 23.73      
5 A1 1208 1161 3.75      
6 A1 1095 1053 40.65      
7 A1 1054 1013 0.44      
8 A1 881 847 10.50      
9 A2 920 885 0.00      
10 A2 842 809 0.00      
11 A2 501 481 0.00      
12 B1 855 821 0.23      
13 B1 719 691 68.59      
14 B1 545 524 20.43      
15 B2 3250 3123 4.79      
16 B2 3226 3100 11.69      
17 B2 1371 1318 35.91      
18 B2 1303 1252 0.01      
19 B2 1086 1043 10.19      
20 B2 955 918 0.22      
21 B2 718 690 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 15013.2 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 14427.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/aug-cc-pVTZ
ABC
0.33407 0.29557 0.15682

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.244
C2 0.000 1.062 0.423
C3 0.000 -1.062 0.423
C4 0.000 0.680 -0.981
C5 0.000 -0.680 -0.981
H6 0.000 2.067 0.816
H7 0.000 -2.067 0.816
H8 0.000 1.350 -1.824
H9 0.000 -1.350 -1.824

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34271.34272.32672.32672.11132.11133.35193.3519
C21.34272.12391.45432.23721.07943.15382.26483.2959
C31.34272.12392.23721.45433.15381.07943.29592.2648
C42.32671.45432.23721.36072.26933.28271.07662.1983
C52.32672.23721.45431.36073.28272.26932.19831.0766
H62.11131.07943.15382.26933.28274.13462.73504.3177
H72.11133.15381.07943.28272.26934.13464.31772.7350
H83.35192.26483.29591.07662.19832.73504.31772.6997
H93.35193.29592.26482.19831.07664.31772.73502.6997

picture of pyrrolide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 112.518 N1 C2 H6 120.928
N1 C3 C5 112.518 N1 C3 H7 120.928
C2 N1 C3 104.540 C2 C4 C5 105.212
C2 C4 H8 126.335 C3 C5 C4 105.212
C3 C5 H9 126.335 C4 C2 H6 126.555
C4 C5 H9 128.453 C5 C3 H7 126.555
C5 C4 H8 128.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.217      
2 C -0.549      
3 C -0.549      
4 C -0.375      
5 C -0.375      
6 H 0.614      
7 H 0.614      
8 H 0.418      
9 H 0.418      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.129 2.129
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.703 0.000 0.000
y 0.000 -23.545 0.000
z 0.000 0.000 -32.494
Traceless
 xyz
x -3.684 0.000 0.000
y 0.000 8.554 0.000
z 0.000 0.000 -4.870
Polar
3z2-r2-9.739
x2-y2-8.159
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.198 0.000 0.000
y 0.000 9.106 0.000
z 0.000 0.000 8.354


<r2> (average value of r2) Å2
<r2> 82.051
(<r2>)1/2 9.058